The lowest price component in this Right Crankcase Cover parts-list fiche is the Nut Hex 4mm.
This part-list fiche shows all the components that make up the Trx250x Fourtrax 250x 1991 (m) Usa Right Crankcase Cover .
Some items from this specific schematic: Rubber,filter, Oil Seal,14x22x5, O-ring 11x1.9, Bolt,flange,6x28.